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https://issues.apache.org/jira/browse/MYFACES-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12526549
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Paul McMahan commented on MYFACES-1722:
---------------------------------------
I transferred this problem from the Geronimo project hoping the MyFaces team
could take a look. I wasn't able to determine the root problem in my debugger
but I think it may be related to the MyFaces resolvers. It could also be
related to the tomcat's implementation of EL that is used by Geronimo.
> c:forEach does not work with deferred expression
> ------------------------------------------------
>
> Key: MYFACES-1722
> URL: https://issues.apache.org/jira/browse/MYFACES-1722
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 1.2.0
> Environment: Fedora7, Sun JDK 1.6.0_02, geronimo-tomcat6-jee5-2.0.1
> Reporter: Piotr Piotrowski
>
> The following page works on SunApplication Server 9, but does not work on
> Geronimo:
> <[EMAIL PROTECTED] contentType="text/html"%>
> <[EMAIL PROTECTED] pageEncoding="UTF-8"%>
> <[EMAIL PROTECTED] prefix="f" uri="http://java.sun.com/jsf/core"%>
> <[EMAIL PROTECTED] prefix="h" uri="http://java.sun.com/jsf/html"%>
> <[EMAIL PROTECTED] prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
> "http://www.w3.org/TR/html4/loose.dtd";>
> <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
> <title>JSP Page</title>
> </head>
> <body>
> <f:view>
> <p>
> <c:forEach var="i" items="#{CombinedEL.table}">
> <h:outputText value="#{i}"/>,
> </c:forEach>
> </p>
> </f:view>
> </body>
> </html>
> The managed bean looks as follows:
> package pp.web;
> public class CombinedEL {
> public Object[] getTable() {
> return new Object[] {"a", "b", "c"};
> }
> }
> The error looks like this:
> HTTP Status 500 -
> type Exception report
> message
> description The server encountered an internal error () that prevented it
> from fulfilling this request.
> exception
> javax.servlet.ServletException: javax.servlet.jsp.JspTagException: Don't know
> how to iterate over supplied "items" in <forEach>
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
> root cause
> javax.faces.FacesException: javax.servlet.jsp.JspTagException: Don't know how
> to iterate over supplied "items" in <forEach>
>
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:340)
>
> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:254)
>
> org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
>
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
> root cause
> javax.servlet.ServletException: javax.servlet.jsp.JspTagException: Don't know
> how to iterate over supplied "items" in <forEach>
>
> org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:850)
>
> org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
> org.apache.jsp.combinedEL_jsp._jspService(combinedEL_jsp.java:90)
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
>
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:334)
>
> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:254)
>
> org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
>
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
> root cause
> javax.servlet.jsp.JspTagException: Don't know how to iterate over supplied
> "items" in <forEach>
>
> org.apache.taglibs.standard.tag.common.core.ForEachSupport.toForEachIterator(ForEachSupport.java:274)
>
> org.apache.taglibs.standard.tag.common.core.ForEachSupport.supportedTypeForEachIterator(ForEachSupport.java:238)
>
> org.apache.taglibs.standard.tag.common.core.ForEachSupport.prepare(ForEachSupport.java:155)
>
> javax.servlet.jsp.jstl.core.LoopTagSupport.doStartTag(LoopTagSupport.java:256)
>
> org.apache.jsp.combinedEL_jsp._jspx_meth_c_005fforEach_005f0(combinedEL_jsp.java:157)
>
> org.apache.jsp.combinedEL_jsp._jspx_meth_f_005fview_005f0(combinedEL_jsp.java:119)
> org.apache.jsp.combinedEL_jsp._jspService(combinedEL_jsp.java:80)
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
>
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:334)
>
> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:254)
>
> org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
>
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
> note The full stack trace of the root cause is available in the Apache
> Tomcat/6.0-snapshot logs.
> Apache Tomcat/6.0-snapshot
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